Lowers 2026 adjusted profit forecast to $3.28 to $3.32 per share from $3.34 to $3.41 per share; cuts reported sales-growth outlook to 5.5% to 6.5% from 7% to 8.5%.
Expects Q3 adjusted profit of 80 to 82 cents per share and sales growth of 3% to 5%.
As of last close, BSX was down 51.7% year to date.
Shares rise after Q2 beat
Shares of medical device maker Boston Scientific (BSX.N) rise 4.6% to $48.18 premarket.
Company posts Q2 adjusted profit of 86 cents per share versus analysts' average estimate of 83 cents per share, according to data compiled by LSEG.
Reports Q2 revenue of $5.44 billion versus analysts' estimate of $5.36 billion.