Grubhub's stock plunges as food delivery competition grows
By MATT OTT, The Associated Press NEW YORK (AP) — Shares in Grubhub plunged 43% Tuesday after it sharply cut its revenue expectations for the year and warned of intense competition. The steep decline in share price wiped away more than $2.3 billion of the company's stock market valuation. It is the worst single-day decline for shares since the company went public almost six years ago. In a candid letter