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The closely-watched index of transportation stocks switched gears on Wednesday.

Social media stocks are rallying in a big way, as new highs for the Dow Jones Industrial Average and the S&P 500 stimulate investors' appetite for risk.

While the rest of the market slept, the Nasdaq got kind of scary this week with tech stocks dragging it lower.

Tech companies that went public in the last year, including FireEye, are getting hammered on the market.

Tech companies that went public in the last year, including FireEye, are getting hammered on the market.

Tech companies that went public in the last year, including FireEye, are getting hammered on the market.

Technology IPO stocks like FireEye, Twitter and GoGo have been hit hard recently

The markets closed the week with gains, but Wall Street has had a tough time picking up any momentum.

Twitter shares plunged below IPO levels Wednesday on the back of weak first-quarter user growth. The move brought many other online-based stocks deep into the red.

The tech-heavy Nasdaq, which dipped this week, could be headed for a rebound.

The markets get nutty, it’s time to buy names you know and use.

The Nasdaq had a tough week – tumbling nearly 3% -- so why not buy the dip?

The time may be right to take a shot in First Solar.

The markets just had a tough week, and it’s not quite clear where things are going. So for now, stay on the sidelines.

Twitter is the only social media stock trading higher on Tuesday in spite of its mid-afternoon outage.

Twitter is the only social media stock trading higher on Tuesday in spite of its mid-afternoon outage.

Even as the S&P 500 and Russell 2000 hit new record highs, two major market averages are still in the red in 2014

Stocks that benefit from an improving housing market are rallying, led by a big post-earnings gain for Lowe’s.

Traders are bidding up home builder stocks, hoping a rough January home sales report means pent-up demand this spring.

Not even The Chartman gets it right every time. Here’s a look at some not-so-great calls and what to do about it.