11:46 pm ET 12/9/2013 Intraday data is at least 15 minutes delayed
BBG AMER TRANSPORTATION
The Bloomberg Americas Transportation Index is a capitalization-weighted index of the leading transportation stocks in the North, South and Central American region. The index was developed with a base value of 100 as of December 31, 1998. The parent index is BWORLDUS.
OSI Systems Inc. fell as much as 40 percent, the biggest intraday drop ever, after lawmakers said the company may face a ban on U.S. contracts for using unapproved Chinese-made parts in baggage-screening equipment.