Shares of Netflix are up $18.76, or 4%, to $505.00 in afternoon trading after the company raised prices for the two higher tiers of services it offers to U.S. customers. According to a “plans and pricing” on the Netflix website, the Basic plan costs $8.99 in the U.S., the Standard plan costs $13.99 and the Premium plan costs $17.99. According to a report from The Verge, the new pricing for the standard plan represents a $1 per month increase, while the new premium cost reflects a $2 per month increase from prior rates.