Early movers: BLK, BAC, PRNA, DAL, LNKD, PNC, YUM & more

Check out which companies are making headlines before the bell:

BlackRock (BLK) – The asset manager earned an adjusted $4.96 per share for its latest quarter, beating estimates by 18 cents, with revenue also beating forecasts. CEO Larry Fink said the firm's diversified business model helped overcome continued market volatility during the quarter.

Bank of America (BAC) – The bank beat estimates by nine cents with quarterly profit of 45 cents per share, while revenue also came in above estimates. BofA's results were helped in part by substantially lower legal costs.

Panera Bread (PNRA) – Piper Jaffray upgraded the restaurant operator's stock to "overweight" from "underweight," citing stable revenue and profitability trends.

Delta Air Lines (DAL) – The airline reported adjusted quarterly profit of $1.27 per share, beating estimates by six cents, while revenues also beat Street forecasts. Delta CEO Richard Anderson said the company continues to benefit from a drop in fuel prices.

LinkedIn (LNKD) – Barclays upgraded the business social network to "overweight" from "equal weight," evaluating the issued that impacted results during the first quarter are cyclical and not structural. Barclays said advertising demand for LinkedIn is high and that other aspects of the business will be positive for future results.

PNC Financial (PNC) – The bank reported quarterly profit of $1.88 per share, 12 cents above estimates, with revenue also coming in above consensus. That comes despite a drop in net interest margin, a key component of profitability.

Yum Brands (YUM) – The parent of KFC, Taco Bell, and Pizza Hut beat estimates by seven cents with adjusted quarterly profit of 69 cents per share, though revenue was slightly shy of forecasts. Investors may focus, however, on the restaurant operator's China same-restaurant sales, which were down 10 percent compared to a year earlier, though Yum does expect a strong second half.

CSX (CSX) – CSX reported quarterly profit of 56 cents per share, three cents above estimates, with the railroad operator's revenue very slightly below analyst forecasts. CSX was helped by greater productivity and lower fuel prices.

Cummins (CUM) – Cummins raised its quarterly dividend by 25 percent, to 97.5 cents per share from 78 cents. The engine maker said the move reflects confidence in its long-term prospects.

Receptos (RCPT) – The biopharmaceutical company agreed to be bought be Celgene for $7.3 billion in cash, or $232 per share. That represents a 12 percent premium over yesterday's close for shareholders in the drug maker.

EBay (EBAY) – EBay will be replaced in the S&P 100 by PayPal, which eBay is spinning off. PayPal is set to begin trading as a separate company next Monday.

Mead Johnson (MJN) – Mead said its second quarter profit would come in at 76 cents to 80 cents per share, shy of the 89 cent consensus estimate, and the infant formula maker is also predicting full-year profit below forecasts. Mead Johnson cites slowing sales growth in China and emerging markets.

Guess (GES) – Guess named Inditex executive Victor Herrero as its next chief executive officer, effective next month. He'll replace current CEO and co-founder Paul Marciano, who will stay on as executive chairman and continue serving as chief creative officer.

Syngenta (SYT) – Syngenta may come under pressure from hedge fund Paulson & Co. to accept Monsanto's takeover offer, according to a Reuters report, after the fund took a stake in the Swiss pesticide maker.

By CNBC's Peter Schacknow

Questions? Comments? Email us at marketinsider@cnbc.com