STOCKS TO WATCH: $AXP $ISRG $SLB $CSX $ANbr br Wall Street expects American Express Company (NYSE:AXP) to post quarterly earnings at $2.81 per share on revenue of $15.48 billion before the opening bell. American Express shares gained 1 to $178.90 in after-hours trading.br br Deep Dive: US consumer watchdog warns no more 'rubber stamp' for bank mergersbr br Intuitive Surgical, Inc. (NASDAQ:ISRG) reported better-than-expected earnings for its second quarter. Intuitive Surgical shares fell 5.4 to $329.00 in the after-hours trading session.br br Analysts are expecting Schlumberger Limited (NYSE:SLB) to have earned 71 cents per share on revenue of $8.22 billion for the latest quarter. The company will release earnings before the markets open. Schlumberger shares fell 0.3 to $57.10 in after-hours trading.br br CSX Corporation (NASDAQ:CSX) reported in-line earnings for the second quarter, while sales missed expectations. CSX shares fell 4.8 to $32.08 in the after-hours trading session.br br Analysts expect AutoNation, Inc. (NYSE:AN) to report quarterly earnings at $5.90 per share on revenue of $6.74 billion before the opening bell. AutoNation shares fell 0.2 to $176.50 in after-hours trading.