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The ancient Greeks were pretty smart. They gave us the Olympics, philosophy and medicine. But my favorite invention of theirs right now is Gamma. In case you haven't been following our Greek of the Week series on Market Insights, gamma is one of the key variables...
This is the fourth and final installment in a series about options Greeks on Market Insights. So far we've reviewed three options "Greeks," with memory tricks for keeping them straight: Delta: D is for direction. Gamma: G is is gaining Delta. Theta: T is for time...
August brought upsets to TradeStation's rankings as clients shifted attention to big technology companies. Major exchange-traded funds lost interest. Apple (AAPL), which didn't even make the Top 10 in June or July, was the busiest stock at TradeStation last month. The...
Two tech giants are moving in two very different directions as we enter the home stretch for the third quarter. Apple (AAPL) has appreciated 22 percent since the end of June. That makes it the second-best performer in the SPDR Technology Fund (XLK), with only Advanced...
The U.S. bull market's winning run continued last week as the S&P 500 broke out to new highs. The index rose 0.9 percent between Friday, August 24, and Friday, August 31 -- its eighth gain in the last nine weeks. The benchmark also advanced 3 percent in August,...
Semiconductors have been a weak spot in technology for most of the year. But now the group may be trying to break out. The Market Vectors Semiconductor ETF (SMH) is challenging an old peak from earlier this month. It comes at a time when the broader technology sector...
A good earnings season ended on a weak note, thanks to dinosaur consumer stocks. Traditional retailers and food stocks are down sharply as changes in the ecosystem continue to weigh on sentiment. Some beat estimates, others missed. Either way, investors looked for...
Biotechnology stocks are trying to break out as investors await potential catalysts after Labor Day. The iShares Nasdaq Biotech ETF (IBB) has closed at new 52-week highs in the last two sessions. It's now pushing back to price areas last seen in the summer of 2015....
Just as quickly as they appeared, oil bears are on the run. Crude oil futures (@CL) closed at their highest level yesterday since July 10, bolstered by a series of positive headlines: Weekly inventories fell by 2.6 million barrels, more than twice the expected drop....