UBS AG was ordered to face a whistleblower lawsuit by a former commercial mortgage-backed securities strategist who said he was fired for telling supervisors he was being pressured to publish misleading reports.

NEW YORK (Reuters) - UBS AG lost a bid Tuesday to dismiss a whistle-blower lawsuit by a former commercial mortgage-backed securities strategist who said he was fired for refusing to publish misleading research reports.

Shares of UBS AG crafted a new 52-week high, touching $18.71 in the middle of the trading session on May 20.

On May 11, Zacks Investment Research upgraded UBS AG (UBS) to a Zacks Rank #1 (Strong Buy).

Recently, UBS AG (UBS) resolved a lawsuit filed by Assured Guaranty Ltd. (AGO) in a U.S. district federal court in Manhattan.