The tech world is largely rejoicing after Donald Trump was elected again this week, and that excitement can be reduced to this: less regulation, more deals. "We expect Big Tech to play more offense in terms of M&A," Morningstar analyst Dan Romanoff said in a note to clients. "From an M&A perspective, we believe a Republican-led Washington to be the best-case scenario for Big Tech companies, as it will allow them to flex their M&A muscle." In notable contrast to Hollywood, CEOs from the biggest tech companies one by one offered their congratulations to the president-elect after his . . .