Nearly six million shares of Chesterfield-based Thermadyne Holdings Corp. is up for sale.

The company — which makes cutting and welding products for use in manufacturing, construction and other operations — is offering 1.5 million shares, according to a regulatory filing today. Shareholder Angelo,…

Thermadyne Holdings Corp.’s stock rose $1.30 per share Thursday, or 14 percent, to $10.50, as the company projected improved sales for the current quarter. On Wednesday, it released a strong fourth-quarter earnings report.The Chesterfield-based company expects continued strong sales in…

Thermadyne Holdings Corp. on Wednesday reported a 13.5 percent increase in fourth-quarter sales, helping the company swing to a profit for the quarter.

The Chesterfield-based maker of metal cutting and welding products reported a profit of $4.6 million, or 34 cents…