Allegro MicroSystems, Inc. ALGM reported better-than-expected fourth-quarter financial results and issued first-quarter sales guidance above estimates.Allegro Microsystems posted adjusted earnings of 6 cents per share, beating market estimates of 5 cents per share. The company's quarterly sales came in at $192.82 million versus expectations of$185.28 million.“During the fourth quarter, we delivered on our commitments with sales of $193 million, up 8$0.06,” said Mike Doog ...