Unity Software shares plummeted 17% in extended trading on Monday after the gaming software company issued weaker-than-expected guidance for the current quarter.Here's how the company did:Earnings: Loss of 66 cents per share. The results may not be comparable to the 46-cent loss predicted by analysts, according to LSEG, formerly known as Refinitiv. Revenue: $609 million vs. $596 million as expected by analysts, according to LSEG.Unity said it expects first-quarter adjusted earnings of $45 million to $50 mil ...