 Masimo Corp. MASI, -0.99 stock fell more than 10 in the extended session Tuesday after the medical technology company reported mixed first-quarter earnings, saying that it faced unexpected supply-chain problems in the period. Masimo said it earned 46.6 million, or 81 cents a share, compared with 53.4 million, or 92 cents a share, in the first quarter of 2021. 