SAN FRANCISCO, May 23- The clearinghouse for all U.S. stock options said Thursday it will adopt a policy aimed at abolishing a dividend-linked trading strategy that critics say could destabilize markets if left unchecked.
TOKYO, May 24- Japan's Nikkei share average is expected to rebound on Friday after a 7.3- percent dive in the previous session, its biggest one-day percentage drop in two years after weak Chinese factory data rattled investors.
*BP, Shell, Statoil in EU oil price probe. NEW YORK/ CHICAGO May 23- A Chicago- based commodities trading firm has filed suit against three of the world's largest oil companies, accusing them of colluding to fix oil prices after European authorities opened an investigation last week.
*Gold up after Fed official says no hurry to ditch stimulus. *Copper slumps on weak China manufacturing activity data. NEW YORK, May 23- Oil tracked a recovery in U.S. stocks to erase the bulk of its early losses on Thursday but copper slumped, reversing gains from the previous session, after data suggesting weak manufacturing activity in top metals buyer China.
*U.S. equities recoup earlier losses, supporting oil. NEW YORK, May 23- Brent crude oil prices retraced earlier losses after falling to a three-week low on Thursday in a broader commodities selloff, riding the coattails of a late turnaround in U.S. equities to end flat.
NEW YORK, May 23- U.S. stocks mostly edged lower on Thursday but were sharply off their session lows as a rally in Hewlett-Packard's shares offset worries about weak Chinese manufacturing data and the prospects of the Federal Reserve reducing its monetary stimulus.
NEW YORK, May 23- Oil prices pared losses after falling to a three-week low on Thursday in a broader commodities selloff, supported as selling in U.S. equities tapered off on the back of encouraging domestic economic data.
CHICAGO, May 23- U.S. scientists say a dramatic result last year suggesting that a cancer drug already approved by U.S. regulators could quickly clear out Alzheimer's plaques in mice was too good to be true.
WASHINGTON, May 23- A top Republican senator on Thursday said that Commerce Secretary nominee Penny Pritzker had satisfactorily answered most of his questions about her role in the failure of an Illinois bank and her family's use of offshore tax havens.
NEW YORK, May 23- Investors' hair-trigger reaction to Federal Reserve Chairman Ben Bernanke's testimony on Wednesday marks a delicate new policy phase for the U.S. central bank in which communication is paramount.
WASHINGTON, May 23- The U.S. government will require meat packers to explicitly list the origin of beef, pork and chicken sold in U.S. grocery stores, it said on Thursday, a regulation intended to resolve years of disputes with Canada and Mexico.
NEW YORK, May 23- Oil fell to a three-week low on Thursday in a broader commodities selloff as a decline in China's factory activity entrenched concern about weak demand, and worries about an early scale-back in U.S.
CHICAGO, May 23- CBOE Holdings Inc will expand trading hours for futures on the CBOE Volatility Index later this year, after a technical glitch delayed the change, the company's incoming chief executive said on Thursday. CBOE, operator of the Chicago Board Options Exchange, earlier this month said it was indefinitely deferring plans to increase trading hours.
*China manufacturing data shows contraction. NEW YORK, May 23- U.S. stocks dropped on Thursday, with the S&P 500 on pace for its first back-to-back daily drop in a month amid investor concerns the U.S. Federal Reserve's stimulus may be scaled back sooner than hoped and after weak data in China.
The former nurse and hospital executive recently won a 10- year battle to get the IRS to reverse a ruling that would have cost her and her husband, Riz Corpuz, $2,500 a month in pension benefits from their former employer, the now-defunct Hospital Center at Orange in New Jersey.
*Copper falls as much as 3 pct, oil down for third day. *Gold bounces, grains shake off weakness on strong demand. LONDON/ SINGAPORE, May 23- Copper slid 3 percent and oil dropped for a third day on Thursday after factory surveys suggested that China's economic recovery has stalled and that the euro zone economy would contract again in the second quarter.
*China manufacturing data shows contraction. NEW YORK, May 23- U.S. stocks were set for a lower open on Thursday, with the S&P 500 on track for its first back-to-back daily drop in a month, amid investor concerns the U.S. Federal Reserve's stimulus may be scaled back sooner than hoped and over weak data in China.
*Corn acreage reductions possible in some areas of Midwest. CHICAGO, May 23- Rainfall over the next week to 10 days in parts of the Midwest will delay late corn seedings and possibly cause a shift from corn to soybean acreage, an agricultural meteorologist said on Thursday.
PARIS, May 23- Christine Lagarde has made her mark as International Monetary Fund chief by taking a firm yet pragmatic stance in the austerity-versus-growth debate raging as Europe struggles to pull itself out of a long crisis.
CHICAGO, May 23- Kathrin Jansen is a microbiologist with at least two breakthrough vaccines to her name: she brought the cervical cancer vaccine Gardasil to market for Merck and helped develop the $4 billion a year pneumonia and meningitis vaccine Prevnar 13 for Pfizer.