McCain, the 80-year-old Arizona lawmaker, has glioblastoma, according to doctors at the Mayo Clinic in Phoenix, where McCain had a blood clot removed from above his left eye last Friday. He and his family are considering further treatment, including chemotherapy and radiation.
Several GOP senators acknowledged Wednesday night that if McCain remains absent it could complicate their push to pass healthcare legislation.
"Obviously I think more people are worried about his health, and not thinking about the math, but, you know, you understand the math, so obviously it makes things difficult," said Sen. Bob Corker (R-Tenn.), the Hill reported.
McCain's surgery forced Senate Republicans to delay a vote on their healthcare plan, which was initially expected this week, until next week.
For the fourth quarter, Qualcomm said it expects to report sales of between $5.4 billion and $6.2 billion, compared to Wall Street's projected $5.5 billion. Qualcomm forecast GAAP earnings of between 55 cents and 65 cents a share.
Qualcomm has been ensnared in a legal dispute with Apple since January, when the tech giant sued the chipmaker for $1 billion, claiming that it collected royalties for technologies it wasn't involved with, including Touch ID and cameras. Apple has said it will withhold future royalty payments until the dispute is resolved, forcing Qualcomm to slash its revenue forecast for the third quarter.
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4. -- Shares of T-Mobile US Inc. (TMUS) were rising 2.9% in premarket trading on Thursday after the wireless giant posted second-quarter earnings that far surpassed Wall Street estimates and said it added 1.3 million total net subscribers during the period.
T-Mobile said the subscriber additions in the quarter marked the 17th consecutive quarter it added more than 1 million customers. The carrier also gained 786,000 in net branded postpaid phone subscriptions, topping forecasts of 596,000.
The company said it plans to open 1,500 T-Mobile stores and 1,500 MetroPCS stores this year.
"We could be the fastest growing retailer in America," CEO John Legere said.
5. -- Earnings are expected Thursday from Capital One Financial Corp. (COF) , Bank of New York Mellon Corp. (BK) , Visa Inc. (V) , eBay Inc. (EBAY) , Snap Inc. (SNAP) , Microsoft Corp. (MSFT) , Abbott Laboratories (ABT) , AthenaHealth Inc. (ATHN) , Danaher Corp. (DHR) and Union Pacific Corp. (UNP) .