Square shares gained 13 percent on Thursday, building on an after-hours boost from its Wednesday earnings report.
The two companies announced a partnership that includes a promise from PayPal to stop steering Visa cardholders away from using their Visa cards.
U.S. stocks closed lower as oil prices weighed and the market consolidated ahead of next week's Fed meeting.
General Motors, Southwest and American Express are making headlines this Thursday morning after reporting their latest earnings results.
Some of the names on the move ahead of the open.
American Express reported quarterly earnings that beat analysts' earnings per share estimates and missed revenue estimates.
CNBC's Kayla Tausche dives into American Express' earnings report as the stock trades lower after hours, and the "Fast Money" traders debate the stock.
Check out the companies making headlines after the bell on Wednesday.
CNBC's Kayla Tausche reports quarterly earnings for American Express outperformed exceptions while revenues missed.
U.S. sovereign bonds built on this week's gains Wednesday as demand waned for safe haven assets prompted by the Brexit vote.
American Express reports earnings tonight. Bob Napoli, William Blair, has an outperform on AXP, and Moshe Orenbuch, Credit Suisse, has an underperform.
CNBC contributor Mike Khouw looks at the implied earnings moves for some big Dow components.
U.S. stock-index futures rose on Wednesday as investors cheered better-than-expected earnings from Morgan Stanley.
Strategists are hoping that this is the quarter where forecasts will finally beat all expectations.
CNBC contributor Mike Khouw looks at the implied earnings moves for some big Dow components and the "Fast Money" traders weigh in.
There are dozens of earnings, the Republican convention and the aftermath of a military coup attempt in Turkey to watch.
Jim Cramer shares his game plan of stocks to watch next week.
Airbnb is partnering with American Express, BCD Travel and Carlson Wagonlit Travel to grow business travel and market gain share from hotels.
The broader S&P 500 index may be trading in record territory Monday, but the real winners have been the investors who have picked the right stocks along the way.
U.S. stocks closed 1 percent higher Friday, more than recovering their post-Brexit losses, after a surprisingly large beat on the June jobs report headline figure.