Both Jefferies Financial and UBS have revealed nine-figure fund exposures to First Brands, a beleaguered auto-parts supplier that filed for bankruptcy in late September.Barron's AdvisorRead MoreWelcome to Barron's Advisor! Our articles are free to Barron's subscribers and wealth management professionals. To subscribe to Barron's, click here. If you're a wealth managment professional and would like access to the Barron's Advisor experience, please provide the information below.If you're not a wealth manageme ...