The Million Dollar Portfolio Challenge once again saw contestants trading on earnings news and currencies as well as taking some risks, but our latest contest had a new twist - ETFs.   Read More

David Katz of Matrix Asset Advisors says that investors with a 12- to 18-month time horizon, now is the time to stay with the stocks in their portfolios or add to them. He has a few high-beta stock suggestions for those "swinging for the fences" in CNBC.com's Million-Dollar Portfolio Challenge.   Read More

Traders are bullish on Priceline Thursday, buying calls in enormous volume after a positive report from Susquehanna Bank. The online travel service is up about 1 percent. On the options front, PCLN volume exceeded 30 times its 30-day average in the first 90 minutes of trading alone.   Read More