Tetraphase Pharmaceuticals Inc. (NASDAQ:TTPH), a maker of antibiotics to treat serious infections, is exploring a sale after attracting interest from potential buyers, people familiar with the matter said. Tetraphase Pharmaceuticals, Inc. (NASDAQ:TTPH) belongs to Healthcare sector. Its weekly performance is -2.30%. On last trading day company shares ended up $22.09. Tetraphase Pharmaceuticals, Inc. (NASDAQ:TTPH) distance from 50-day simple moving average (SMA50) is 0.04%.

Big-tech behemoth Microsoft Corporation (NASDAQ:MSFT) leapfrogged ExxonMobil Corporation(XOM) last week to become the second-largest company in the world by market cap. MSFT stock weighs in at a valuation of $405 billion compared to $402 billion for XOM stock. Microsoft Corporation (NASDAQ:MSFT) shares decreased -1.48% in last trading session and ended the day at $47.98. MSFT Gross Margin is 67.10% and its return on assets is 13.10%. Microsoft Corporation (NASDAQ:MSFT) quarterly performance is 6.88%.

PCTEL, Inc. (NASDAQ: PCTI) reported that its board of directors has approved a 25 percent increase in the company´s regular quarterly dividend to USD0.05 per share on its common stock. The quarterly dividend had been USD0.04 per share. This dividend will be payable on February 13, 2015 to shareholders of record at the close of business on February 6, 2015. On 21 November, PCTEL, Inc. (NASDAQ:PCTI) shares decreased -0.24% and was closed at $8.25. PCTI EPS growth in last 5 year was 24.60%. PCTEL, Inc. (NASDAQ:PCTI) year to date (YTD) performance is -12.05%.

National Bankshares (NASDAQ:NKSH) announced a semiannual dividend on Thursday, November 13th, American Banking News reports. Investors of record on Monday, November 24th will be paid a dividend of 0.58 per share on Friday, December 5th. This represents a dividend yield of 3.82%. The ex-dividend date is Thursday, November 20th. This is an increase from National Bankshares’s previous semiannual dividend of $0.55. National Bankshares Inc. (NASDAQ:NKSH) ended the last trading day at $29.97. Company weekly volatility is calculated as 2.22% and price to cash ratio as 2.07. National Bankshares Inc. (NASDAQ:NKSH) showed a weekly performance of -0.33%.

NXP Semiconductors NV (NASDAQ:NXPI) last posted its quarterly earnings results on Wednesday, October 22nd. The company reported $1.35 earnings per share (EPS) for the quarter, beating the consensus estimate of $1.31 by $0.04. Analysts expect that NXP Semiconductors NV will post $4.74 EPS for the current fiscal year. NXP Semiconductors NV (NASDAQ:NXPI) shares moved up 0.96% in last trading session and ended the day at $74.85. NXPI Gross Margin is 47.20% and its return on assets is 7.60%. NXP Semiconductors NV (NASDAQ:NXPI) quarterly performance is 14.21%.