jetcityimage U.S. stocks on Wednesday pointed to a lower open, as shares of Tesla ( TSLA ) and Alphabet ( GOOG )( GOOGL ) slid after their respective earnings.

Here are some stocks to watch on Wednesday: Shares of Boston Scientific ( BSX ) were among the most actively traded ahead of the opening bell, slipping nearly 1.5% . The retreat came despite the medical device maker delivering a beat-and-raise Q2.

The Marlborough, Mass.-based company, which makes products such as medical sheaths, balloons, catheters and clips, reported a 14.7% Y/Y rise in net sales on an organic basis to $4.

12B, helped by solid performance in its cardiovascular business, its biggest unit. This was Boston Scientific's ( BSX ) first quarterly earnings since announcing a $1.16B deal to buy Silk Road Medical ( SILK ).

AT&T ( T ) stock was also among the most actively traded ahead of market open, gaining nearly 4% . The U.S.

telecom major comfortably beat Bloomberg estimates on Q2 postpaid phone net adds, while its churn improved slightly Q/Q to 0.70%. AT&T ( T ) top boss John Stankey highlighted the company's strategy in catering to customers who "increasingly seek one provider who can seamlessly connect them in their home, at work and on the go," adding that nearly "four of every 10 AT&T Fiber households" were also choosing the firm's wireless service.

See how T performed in charts . Shares of IBM ( IBM ) will be in focus, with the legacy tech company scheduled to report Q2 numbers after the closing bell..