AFP/Getty Images J.P. Morgan Chase is dealing with a security breach affecting 76 million households. SAN FRANCISCO (MarketWatch) — Among the companies whose shares are expected to see active trade in Monday’s session are Container Store Group Inc. and Helen of Troy Corp. Container Store TCS, +1.24% : The storage and organization products retailer is projected to report second-quarter earnings of 11 cents a share, according to a consensus survey by FactSet. Helen of Troy HELE, +0.53% : The maker of products such as OXO kitchen tools and Brut aftershave is forecast to post second-quarter earnings of 80 cents a share. J.P. Morgan Chase JPM, +2.48% won’t notify customers affected by a massive security breach affecting 76 million households, a spokesperson for the bank told MarketWatch Friday. Tesla Motors TSLA, +1.51% is expected to unveil its Model 3 mass-market electric vehicle on Thursday, analyst Trip Chowdhry of Global Equities Research said in a note Friday. MobileEye MBLY, +4.91% could benefit from an expected update to Tesla’s Model S electric sports sedan that will include all-wheel drive and semi-autonomous driver assistance, according to the note. http://www.marketwatch.com/