During a busy day of dealmaking, Cour Pharmaceutical Development Co. Inc. entered a pact with Roche Holding AG’s Genentech unit to advance tolerogenic nanoparticle treatments for an autoimmune disease indication, garnering up to $940 million in up-front and milestone payments. Cour’s partnership with Genentech is its biggest to date, and the largest deal announced by a biopharma company on Dec. 3. A total of seven deals amounted to a combined single-day deal value of $3.67 billion.