Cannabis stocks were getting rocked Monday, Oct. 29, as air was being let out of the sector that many felt was a bubble anyway.

While Aurora Cannabis Inc. (ACB - Get Report) was leading the selloff, falling nearly 12% on heavy volume, it wasn't the only pot stock taking a big hit. 

Shares of Tilray Inc. (TLRY - Get Report)  dropped 16.1%, while Canopy Growth Corp (CGC - Get Report) fell 14.6%, DAVIDsTEA Inc. (DTEA - Get Report) declined 8.9% and New Age Beverages Corp. (NBEV - Get Report) declined 11.4%. 

Trading of cannabis company India Globalization Capital Inc. (IGC - Get Report) was halted on the New York Stock Exchange at 9:03 a.m. ET on Monday pending news. It has yet to begin trading. Shares of the Bethesda, Maryland-based company have jumped 149% year to date, including a 329.6% move over the last six months.

IGC has been one of the most volatile cannabis stocks in recent weeks, falling nearly 46% over the past 30 days and rising 472% over the past three months.

Shares of IGC were rising more than 4% after hours Monday.