The Futian Market is usually closed from Jan 30 and opened from Feb 10.
There is direct bus from Shanghai Pudong airport to Yiwu. It departs at 11:10, 17:10. If you can not catch it, you can take subway line 2 to Shanghai Hongqiao Train station to take bullet train to Yiwu. For the detailed information about this bullet train, you can check the schedule of Shanghai Trains(https://www.travelchinaguide.com/china-trains/shanghai-schedule.htm) .