Elizabeth Warren announced her IRS Math Act was signed into law. The bill requires the IRS to explain math errors on tax returns and provide instructions on how to fix them rather than just flagging the return as wrong. H&R Block (HRB) dropped 1.5% on Thursday while Intuit (INTU) was up 1.2%. Both companies spent over $3 million each on lobbying in 2024, often opposing tax simplification efforts like this.