weekend? you might have seen a lot of people stocking up to the max. costco is having purchases of key items like toilet paper, bottled water and cleaning supplies. demand is high right now and supply is low. sometimes that s a self-fulfilling thing. people hear about the limits. laura, that s because the global supply chain is badly tangled and delays are getting worse. cargo piling up at the ports of los angeles and long beach. the two largest ports in the nation. delays, up to 3 weeks long. last week port officials at long beach said they try to work 24/7 monday through thursday to ease delays. at the same time, there aren t enough truckers and warehouses to move the goods. supply chains mean longer delays. adidas and hasbro has warned about disruptions, nike doesn t