NEW YORK — Stocks that moved substantially or traded heavily Tuesday on the New York Stock Exchange and the Nasdaq Stock Market:
Best Buy Co. Inc., down $1.17 at $25.64
The electronics retailer posted a fiscal first-quarter loss as it sold its stake in Best Buy Europe and works on a turnaround plan.
Beazer Homes USA Inc., down 98 cents at $21.75
A Sterne Agee analyst downgraded the homebuilder's stock to "Neutral" from "Buy" saying that year-over-year growth may slow.
Carnival Corp., down $1.51 at $33.81
The Miami-based cruise company said that steep discounts put pressure on its revenue. It also cut its outlook for the year.
Medtronic Inc., up $2.46 at $52.35
The medical device maker reported better-than-expected fourth quarter earnings on higher sales of implantable heart defibrillators.
Saks Inc., up $1.39 at $13.67
The luxury retailer said that its net income fell 38 percent in the first quarter, but its adjusted results topped expectations.
Clearwire Corp., up 14 cents at $3.40
Sprint Nextel Corp. raised its buyout offer for the stake in the wireless data operator it does not already own by 14 percent.
Monro Muffler Brake Inc., up $3.17 at $47.28
The auto repair company said that its fiscal fourth-quarter net income fell 23 percent, but its revenue beat expectations.
TiVo Inc., up 26 cents at $12.92
The digital video recording company narrowed its fiscal-first quarter loss as revenue grew from an increase in subscribers.