Weed is growing into a big market for this Dutch lighting firm

The world’s biggest lighting company has been selling equipment to the horticultural industry for decades, building up its business outfitting greenhouses to grow plants like tomatoes, lettuce, and roses. Lately, demand for a new crop has exploded onto the scene: pot. “Where it’s legal, we participate,” said Eric Rondolat, chief executive officer of Signify NV, a spinoff of Amsterdam-based Royal Philips NV. “Worldwide we see an evolution in the thinking of cannabis production.”