This morning, Morgan Stanley launched coverage of five companies involved in the manufacturing of construction and home building materials. Martin Marietta (MLM) - Get Report, Masco (MAS) - Get Report and Vulcan (VMC) - Get Report were all initiated with market outperform ratings. Lafarge (LAF) and Armstrong World (ACK) were launched with neutral ratings.

Analog Devices

(ADI) - Get Report

: coverage INITIATED with a buy rating at

Salomon Smith Barney

.

Belco Oil & Gas

(BOG)

: coverage INITIATED with a buy rating and an 11 price target at

Deutsche Banc Alex. Brown

.

Broadcom

: coverage INITIATED with a buy rating at

W.R. Hambrecht

.

Elan

(ELN)

: coverage INITIATED with a recommended list rating and a 55 price target at

Goldman Sachs

.

Garden.com

(GDEN) - Get Report

: coverage INITIATED with a buy rating at W.R. Hambrecht.

Hotel Reservations Network

(ROOM)

: coverage INITIATED with buy ratings at

Bear Stearns

and

TheStreet Recommends

Donaldson Lufkin & Jenrette

.

JDS Uniphase

(JDSU)

: coverage INITIATED with a buy rating and a 180 price target at W.R. Hambrecht.

Micron Technology

(MU) - Get Report

: earnings estimate DOWN to 13 cents per share from 24 cents at

D.A. Davidson

.

Natural Microsystems

(NMSS)

: rating UP to strong buy from by at Deutsche Banc Alex. Brown.

Nextcard

(NXCD)

: coverage INITIATED with a strong buy rating and a 43 price target of 43.

Northrop

(NOC) - Get Report

: 2000 earnings estimate UP to $8.35 per share from $7.20 at

SG Cowen

.

SDL

(SDLI)

: coverage INITIATED with a buy rating at W.R. Hambrecht.

Travelers Property Casualty

(TAP) - Get Report

: rating DOWN to hold from strong buy at

Warburg Dillon Read

.