A trading signal flashed for Alphabet shares at a price of $301.21, after which GOOG rose to an intraday high.

Discover what order imbalance means in trading, its causes, and learn effective strategies to manage imbalances for better investment decisions.

As exchanges and brokers weigh a move toward round-the-clock stock trading, a growing chorus warns that the cure may worsen the disease. The idea has gained momentum in New York and elsewhere this ...