Based on the news about the stock in the past five trading days, please predict the rise or fall of the stock in the next trading day. If the stock is predicted to rise in the next trading day, please output [Rise], if the stock is predicted to fall in the next trading day, please output [Decrease].

Date:2018-05-07, Stock:SBAC, The news for the past five days is as follows:
2018-04-30: NEWS1: SBA Communications: 1Q Earnings Snapshot.NEWS2: SBA Communications Corporation Reports First Quarter 2018 Results.NEWS3: After-Hours Earnings Report for April 30, 2018 :  SBAC, VNO, ARE, AKAM, REG, PKI, CGNX, NBIX, RIG, BFAM, ALSN, BLKB.NEWS4: After-Hours Earnings Report for April 30, 2018 :  SBAC, VNO, ARE, AKAM, REG, PKI, CGNX, NBIX, RIG, BFAM, ALSN, BLKB.NEWS5: Earnings Reaction History: SBA Communications Corporation, 66.7% Follow-Through Indicator, 3.0% Sensitive.NEWS6: Earnings Reaction History: SBA Communications Corporation, 66.7% Follow-Through Indicator, 3.0% Sensitive.NEWS7: SBA Communications Corp. Class A to Host Earnings Call.NEWS8: SBA Communications Q1 18 Earnings Conference Call At 5:00 PM ET.NEWS9: SBA Communications Q1 18 Earnings Conference Call At 5:00 PM ET.
2018-05-01: NEWS1: SBA Communications (SBAC) Q1 Earnings Top on Higher Revenues.NEWS2: SBA Communications (SBAC) Q1 Earnings Top on Higher Revenues.NEWS3: SBA Communications (SBAC) Q1 Earnings Top on Higher Revenues.NEWS4: SBA Communications Corporation (SBAC) Q1 2018 Earnings Conference Call Transcript.NEWS5: SBA Communications Corporation (SBAC) Q1 2018 Earnings Conference Call Transcript.
2018-05-02: NEWS1: SBA Communications Corporation to Speak at the J.P. Morgan 46th Global Technology, Media and Telecom Conference.
2018-05-03: NEWS1: Telecom Stock Roundup: Trade Restrictions Mar Industry Positives.NEWS2: Telecom Stock Roundup: Trade Restrictions Mar Industry Positives.NEWS3: SBA Communications Corporation to Speak at the MoffettNathanson 5th Annual Media & Communications Summit.
2018-05-04: nan

Answer: Decrease