Arcadium Lithium (ALTM, $5.84) gained +1 and reached a new high over the last three months. By comparison, the broader Chemicals: Specialty Industry returned -1 over the same period of time. A.I.dvisor analyzed 221 stocks in the Chemicals: Specialty Industry over the same period of time and found that of them (1) were in an Uptrend while of them (8) showed a Downtrend.