Coke Zero vs. Pepsi Zero: Both sodas want your drink dollars. I remember the original Pepsi Challenge, back in 1975, when Pepsi shook the soft-drink world to its fizzy, caramel-colored core by ...

Coke stock is up 16%, easily beating the 5.5% loss in the S&P 500, while Pepsi is down 12%. That is counterintuitive because the companies are often considered together and viewed as rivals. But they ...

Pepsi is asking people out and about in Atlanta to sip from unmarked cups of Pepsi Zero Sugar and Coca-Cola Zero Sugar to decide which they prefer.