U.S. stock index futures fell on Friday, as President Donald Trump amplified his tariff offensive against Canada, adding another layer of uncertainty around Washington's trade policies..N

** Levi Strauss & Co <LEVI.N>:BUZZ - Gains after hiking forecasts on strong denim demand; brokerages raise PT nL6N3T80DQ

** Coinbase Global Inc <COIN.O>:

** Microstrategy Inc <MSTR.O>:

** Riot Platforms Inc <RIOT.O>:

** Marathon Digital Holdings Inc <MARA.O>:

BUZZ - Crypto stocks surge premarket as Bitcoin scales record peak nL4N3T80LW

** Capricor Therapeutics Inc <CAPR.O>:BUZZ - Plunges after FDA declines to approve muscle disorder therapy nL4N3T80SH

** Milestone Pharmaceuticals Inc <MIST.O>:BUZZ - Slides after equity offering launch nL6N3T80EH

** Delta Air Lines Inc <DAL.N>:BUZZ - Brokerages lift Delta PT after strong Q2 beat, reinstated 2025 outlook nL4N3T80U6

(Compiled by Rajarshi Roy and Apratim Sarkar)

((Rajarshi.Roy@thomsonreuters.com))