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* The Morning News Call newsletter: tmsnrt.rs/2fwPLTh U.S. stock index futures fell on Monday as President Donald Trump's orders to curb immigration from certain countries triggered uncertainty and protests across the world.
Dow Jones Industrial Average futures were down 0.28 percent at 19,955, S&P 500 futures were down 0.32 percent at 2,281.75 and Nasdaq 100 futures were down 0.33 percent at 5,145.25.
** TEMPUR SEALY INTERNATIONAL, Friday close $63.19, -25.67 pct premarket
The mattress maker said it terminated its contracts with U.S. mattress retailer Mattress Firm Holdings Corp, after disagreements over changes in their contracts, which asked for "significant economic concessions."
** DHT HOLDINGS INC, Friday close $4.27, +14.52 pct premarket
Crude oil tanker firm Frontline, which has made an unsolicited offer to buy competitor DHT, must raise its bid for the attempted takeover to succeed, analysts said.
** FITBIT INC, Friday close $7.21, -8.74 pct premarket
The wearable device maker will disclose on Monday that its Q4 results were below expectations, according to news website the Information.
** REGULUS THERAPEUTICS INC, Friday close $2.25, -22.67 pct premarket
The drug developer said on Friday the U.S. Food and Drug Administration extended clinical hold on its lead hep C drug. Wells Fargo downgrades to "market perform" from "outperform".
** ZIMMER BIOMET, Friday close $116.96, +0.25 pct premarket
The U.S. medical implant maker's decision on a potential $40 million investment in its Swiss factory has been put on hold until the outcome of a referendum next month on tax reform.
** ANTHEM INC, Friday close $153.35, +1.03 pct premarket
The U.S. health insurer's shares could rise by 30 percent as the company is undervalued and has the most room for improvement in profit margins and earnings among its peers, according to Barron's.
** CHEVRON CORP, Friday close $113.79, +0.47 pct premarket
The oil and natural gas producer said it would give its top executive fewer stock options after shareholders expressed concern about executive pay.
** KEYSIGHT TECHNOLOGIES INC, Friday close $37.01
** IXIA, Friday close $18.20, +5.77 pct premarket
Keysight, a provider of software and equipment to the electronics industry, said it would buy U.S. data technology company Ixia for about $1.6 billion, net of cash.
** DELTA AIR LINES INC, Friday close $49.70, -1.89 pct premarket
The airline said it had resumed limited operations after a systems outage grounded its domestic U.S. flights on Sunday evening.
** CITIGROUP INC, Friday close $57.11, -0.72 pct premarket
The No. 4 U.S. bank by assets said it would speed up the transformation of its U.S. mortgage business by effectively exiting servicing operations by the end of 2018.
** CSX CORP, Friday close $48.06, +0.92 pct premarket
The U.S. railroad operator is discussing a settlement with Hunter Harrison, the outgoing chief executive of Canadian Pacific Railway Ltd, and activist investor Paul Hilal that could make Harrison CSX's CEO, the Wall Street Journal reported. (Compiled by Divya Grover in Bengaluru; Editing by Sriraj Kalluvila)