SELECT T2.Name FROM phone_market AS T1 JOIN phone AS T2 ON T1.Phone_ID  =  T2.Phone_ID GROUP BY T2.Name HAVING sum(T1.Num_of_stock)  >=  2000 ORDER BY sum(T1.Num_of_stock) DESC
Show the names of phones that have total number of stocks bigger than 2000, in descending order of the total number of stocks.
[Schema (values) (types)]: | phone_market |  phone : name (text) , phone_id (text) , memory_in_g (number) , carrier (number) , price (text) | market : market_id (text) , district (text) , num_of_employees (number) , num_of_shops (number) , ranking (text) | phone_market : market_id (text) , phone_id (text) , num_of_stock (number);