Some of the stocks that may grab investor focus today are: Wall Street expects

(NYSE:

) to report its Q1 earnings at $0.97 per share on revenue of $37.61 billion. GM shares rose 0.78 percent to $37.45 in after-hours trading. Analysts expect

(NASDAQ:

) to post its Q1 earnings at $6.60 per share on revenue of $17.50 billion. Google shares fell 0.04 percent to $548.98 in after-hours trading.

(NASDAQ:

) reported stronger-than-expected earnings for the first quarter, but the company's sales missed analysts' expectations. Facebook shares dipped 2.04 percent to $82.90 in the after-hours trading session.

(NYSE:

) is estimated to report its Q1 earnings at $1.35 per share on revenue of $12.38 billion. Caterpillar shares slipped 0.08 percent to $84.80 in the after-hours trading session. Analysts are expecting

(NYSE:

) to have earned $0.79 per share on revenue of $12.18 billion in the first quarter. PepsiCo shares gained 0.74 percent to $98.00 in after-hours trading.

(NASDAQ:

) reported stronger-than-expected results for the fiscal second quarter, but the company lowered its outlook for the full year. QUALCOMM shares tumbled 3 percent to $66.87 in the after-hours trading session.

(NYSE:

) is projected to report its Q1 earnings at $0.92 per share on revenue of $18.49 billion. Procter & Gamble shares rose 0.05 percent to $83.13 in the after-hours trading session. Analysts expect

(NASDAQ:

) to post a Q1 loss at $0.13 per share on revenue of $22.39 billion. Amazon.com shares dropped 0.35 percent to close at $389.80 yesterday.

(NASDAQ:

) reported upbeat results for the first quarter. EBay shares rose 0.59 percent to close at $56.75 yesterday. Wall Street expects

(NASDAQ:

) to post its Q3 earnings at $0.51 per share on revenue of $21.06 billion. Microsoft shares fell 0.31 percent to $42.85 in after-hours trading.