Here are Wednesday’s biggest calls on Wall Street: Morgan Stanley reiterates Dell as overweight Morgan Stanley raised its price target on Dell ahead of earnings next week to $126 per share from $89. “Big picture, we believe DELL’s AI server positioning and momentum remains strong, that storage and general server demand remains stable with DELL a relative share gainer, and that PCs should show relative near-term strength from demand pull-forward.” Jefferies initiates Western Alliance as buy…