InvestorPlace: Should You Buy iRobot Stock After Its Massive Earnings Beat?

Shares of iRobot (NASDAQ:IRBT) have been on a tear since the company reported a fourth-quarter earnings that impressed just about everyone on Wall Street. Times must be good if U.S. consumers are scooping up robotic vacuums hand over fist, right?…

InvestorPlace: 3 Big Stock Charts for Thursday: Fiserv, Pfizer and PNC Financial Services Group

Wednesday was another winner for Wall Street, but just barely. The S&P 500 ended the day up 0.22%, having peeled back from a high of 2,625.786 to close at 2,616.10. The weight of the rally since late December is starting…

InvestorPlace: 3 Big Stock Charts for Thursday: Paypal, Nike and Micron Technology

Stocks logged their fourth winning day in the row, but also for the fourth day in a row, the progress was weaker than the prior day’s gain. Wednesday’s close of 2584.96 was only 0.41% better than Tuesday’s last trade, and…

InvestorPlace: 3 Big Stock Charts for Friday: Paypal, Newmont Mining and Broadcom

What a save! After unwinding a huge chunk of Wednesday’s record-breaking gain, the bulls pushed back before Thursday’s closing bell rang. The S&P 500 ended the day at 2488.83, up 0.86%, making the discussions of follow through on the reversal…

InvestorPlace: 3 Big Stock Charts for Friday: Twitter, Macy’s and Kimco Realty

Thursday’s loss marks the fourth setback in five days for the S&P 500, indicating a struggle under the weight of its oddly bullish August. Facebook (NASDAQ:FB) did the most net damage to the market, losing 2.8% of its value after…