VerticalNet

(VERT)

, a business-to-business company, was up 8.9% in early trading. Late Wednesday, the company said it terminated its merger agreement with

SierraCities.com

TheStreet Recommends

(BTOB)

due to market conditions. The deal, announced in November, valued SierraCities shares at $7. SierraCities was unchanged at $1.69.