NEW YORK (AP) — The U.S. stock market is edging lower in midday trading after rising for four straight days.

The Standard & Poor’s 500 index is down two points, or 0.1 percent, to 1,949 as of 11:40 a.m. Eastern time Tuesday. The index closed at a record high the day before.

The Dow Jones industrial average fell seven points, less than 0.1 percent, to 16,936. The Nasdaq slipped three points, also less than 0.1 percent, to 4,333.

RadioShack’s stock fell 12 cents, or 7.8 percent, to $1.42 after the retailer posted a deeper loss than analysts had expected. Sales also slumped.

MetLife Inc.’s stock rose 19 cents, or 0.3 percent, to $54.84 after the insurer said Tuesday that it plans to buy its own shares for the first time in about six years.

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