Why Bank OZK Stock Is Down Big Today

A Wall Street analyst has lowered his rating on Bank OZK (NASDAQ: OZK) to sell from buy due to concerns about some of the bank's largest loans.

Investors are heeding the alarm, sending shares of Bank OZK down 16% as of noon ET.

Bank OZK, formerly known as Bank of the Ozarks, operates from 228 branches spread across five Southeastern states.