By Jonathan Spicer
NEW YORK, July 2 (Reuters) – Abrupt halts in the trading of both Citigroup Inc and Washington Post Co shares over the last few weeks exposed some problems with new rules meant to avoid a repeat of the May “flash crash,” and may give traction to an alternative fix.
The halts came on separate days after erroneous trades were made in the shares, each time tripping new stock-specific circuit breakers that immediately stopped trading for five minutes.
