The latest on developments in financial markets (All times local):

4:00 p.m.

Stocks are closing little changed on Wall Street as gains in energy companies are canceled out by losses in banks and other parts of the market.

Oil and gas companies benefited from broad increases in energy prices. Chesapeake Energy jumped 6.8 percent and Range Resources rose 4.2 percent.

Staples jumped 9.8 percent after the Wall Street Journal reported that the office supplies company is talking to private equity firms about a potential sale.

Lighting maker Acuity Brands plunged 14.8 percent after its profit and sales were weaker than expected.

The Standard & Poor's 500 index edged up 1 point to 2,360.

The Dow Jones industrial average rose 39 points, or 0.2 percent, to 20,689. The Nasdaq composite gained 4 points, or 0.1 percent, to 5,898.

Small-company stocks fell.

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11:45 a.m.

The stock market shook off an early stumble and was trading mixed at midday.

Energy and industrial stocks were among the biggest gainers Tuesday. Range Resources rose 3.7 percent. Caterpillar was up 2.3 percent.

Staples jumped 10 percent after the Wall Street Journal reported that the office supplies company is talking to private equity firms about a potential sale.

Lighting maker Acuity Brands plunged 12 percent after its profit and sales were weaker than expected.

The Standard & Poor's 500 index was little changed at 2,358.

The Dow Jones industrial average rose 45 points, or 0.2 percent, to 20,695. The Nasdaq composite was down a fraction at 5,894.

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9:35 a.m.

Stocks are edging lower in early trading on Wall Street with banks and energy companies taking the biggest losses.

Bank of America lost 1.4 percent early Tuesday.

In earnings news, lighting maker Acuity Brands is down 12 percent after its profit and sales were weaker than expected.

Retailer Conn's is up 28 percent on strong earnings and a partnership with Progressive Leasing, which will provide financing to customers.

The Standard & Poor's 500 index fell 3 points, or 0.2 percent, to 2,354.

The Dow Jones industrial average lost 19 points, or 0.1 percent, to 20,632. The Nasdaq composite fell 2 points, or 0.1 percent, to 5,892.