Market Roundup (AAPL, IBM, STX, PETS, AGN, HAL)

Apple Inc (NASDAQ: AAPL) and International Business Machines Corp (NYSE: IBM) have been leading the trading in the tech sector as both companies are set to report their quarterly results today. AAPL is expected to post its earnings at $4.09 per share on revenue of $18.90 billion in the fiscal fourth-quarter, while IBM may report its Q3 profit at $2.76 per share on $24.13 billion in revenue. Shares of Seagate Technology (NASDAQ: STX) are up about 1.7% as the company revealed that it had been approached for a potential buyout by a private-equity firm.

Shares of PetMed Express Inc (NASDAQ: PETS) declined about 1.4% after the company reported a 20% y/y fall in its FQ2 earnings. PETS' sales also dropped 1.9% y/y. The company's quarterly results failed to meet analysts' expectations. PetMed Chief Executive Menderes Akdag said, "It has been another challenging quarter due to our having to pay more to advertise, combined with consumers giving greater consideration to price and reducing their usage of the product categories we offer."

US Drug stocks were mixed as shares of Allergan Inc. (NYSE: AGN) surged about 3.5% on news that the Food and Drug Administration (FDA) has given its approval to the company's drug Botox, for treating chronic migraines. The NYSE Arca Pharmaceutical Index (DRG) was down about 0.09%, while the NYSE Arca Biotechnology Index (BTK) gained about 0.69%.

Shares of Halliburton Co (NYSE: HAL) dropped about 5% as the worst-performing stock in the S&P 500 index. Raymond James analyst Darren Horowitz said that Halliburton's international margins failed to meet his expectations in all regions. However, Horowitz mentioned that the company's "clean" Q3 earnings of $0.58 per share beat his estimate of $0.55 per share.

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