Today's Pre-Market Stock Movers and Top Ratings: AMZN, DIS, NKE, DOW and More

$Amazon (AMZN.US)$ stock rose 0.5% after the tech giant announced plans to invest up to $4 billion in artificial intelligence group Anthropic, in an attempt to bolster its position in nascent AI technology.

$Warner Bros Discovery (WBD.US)$ stock rose 2.1%, $Netflix (NFLX.US)$ rose 0.8% and $Disney (DIS.US)$ rose 1.1% as these entertainment giants benefited from the news that Hollywood's writers union reached a preliminary labor agreement with major studios on Sunday, likely ending strikes that have halted most film and television production.

$Dow Inc (DOW.US)$ stock rose 1.4% after JPMorgan upgraded its stance on the chemicals giant the company to 'overweight' from 'neutral', citing a robust balance sheet, a hefty dividend yield and ample upside.

$Rocket (RKT.US)$ stock rose 3.1% after CFRA upgraded the mortgage loan provider to 'hold' from 'sell', saying its diversified businesses and available liquidity resources position it well.

$AstraZeneca (AZN.US)$ ADRs rose 1.7% after Jefferies upgraded the pharmaceutical company to 'buy' from 'neutral', noting last week's positive results from its new lung cancer drug.

$Nike (NKE.US)$ stock fell 1.4% after Jefferies downgraded the sportswear giant to 'hold' from 'buy', citing increased risk due to ongoing pressure on the wholesale channel and macroeconomic challenges in China.

$HP Inc (HPQ.US)$ stock fell 3.7% after Warren Buffett's $Berkshire Hathaway-A (BRK.A.US)$ sold nearly 4.8 million shares of the PC-maker.

$Harmony Biosciences (HRMY.US)$ stock fell 3.1% after Goldman Sachs downgraded the biopharmaceutical company to 'sell' from 'neutral', seeing emerging risks to the durability of its revenue stream.

$Ivanhoe Mines Ltd (IVN.CA)$ initiated at Equal-Weight by Morgan Stanley, announced target price at $13.

$Ermenegildo Zegna NV (ZGN.US)$ was upgraded by BofA Securities from Neutral to Buy, increased target price from $16 to $16.5

$Microsoft (MSFT.US)$ was upgraded by Guggenheim from Sell to Neutral.

$Urban Outfitters (URBN.US)$ was downgraded by Jefferies from Buy to Hold, decreased target price from $42 to $31.