An icon in the home product lines industry, Tupperware (TUP) – best known for its convenient food storage containers – has seen its share performance struggle since early 2018. Eventually, the company negotiated a dilutive restructuring of its debt load last year in a bid to save the flailing enterprise. However, as Barchart partner The Motley Fool argued, speculators already made the easy money on TUP stock. Throughout most of this year, it appeared that the writing was on the wall. Indeed, in March, management warned that it lacked the conviction that the business could continue as a going c…