Chart Industries' long lead times and multiyear projects shield it from short-term political disruptions. Read why GTLS stock ...

The impact of this reflects the tendency of small companies to outperform big ones in the same way that the “value effect” reflects the tendency of companies with high book-to-market ratios to ...

For example, a call option with a delta of 0.25 and worth $1.40 would be expected to have a value of $1.65 if the underlying asset moved $1.00 higher. A portfolio's delta can be positive ...