The new year was supposed to bring opportunities for beaten-down software stocks. Instead, the group is off to its worst start in years. The release of a new artificial intelligence tool from startup Anthropic on Jan. 12 rekindled fears about disruption that weighed on software makers in 2025. TurboTax owner Intuit Inc. tumbled 16% last week, its worst since 2022, while Adobe Inc. and Salesforce Inc., which makes customer relationship management software, both sank more than 11%....