Datadog jumps after Bernstein upgrades to 'outperform', lifts PT 

** Shares of cloud security firm Datadog DDOG.O rise 7% to $264.81

** Stock on track for its biggest gain in over a week, ending a five-day slide

** Bernstein raises stock rating to "outperform" from "market perform", lifting PT to $350 from $237, a 41.6% premium from its last close of $247.11

** Brokerage cites stronger-than-expected AI-driven customer demand as a key driver of Datadog's growth outlook

** Highlights growing uptake of the co's newer AI-related products as an additional growth driver

** 46 of 49 brokerages rate the stock "buy" or higher, two "hold" and one "sell"; median PT is $300 - data compiled by LSEG

** Including session's move, stock up 94.3% YTD compared with a 14.2% increase in the Nasdaq Composite index .IXIC