Dak Prescott is the Alibaba of the NFL — 7 quarterbacks and their tech company equivalents (AAPL, AP

Tech companies and NFL quarterbacks have a surprising amount in common. While tech stocks carry outsize influence, often dictating the direction of the whole market, professional football teams are also at the whim of their signal-callers. The market would crash if tech stocks started failing — the dot-com bubble anyone? — just in the way an injury to an NFL team's starting quarterback usually spells certain disaster. Now, as the NFL season kicks off, many casual football fans are...